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Finding the Fourth Proportional to 119,656.85, 179,494.79 and 39,691.92

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Solution

The fourth proportional to 119,656.85, 179,494.79 and 39,691.92 is: 59,541.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,656.85 : 179,494.79 = 39,691.92 : x
  2. Step 2: Convert to fraction form
    119,656.85/179,494.79 = 39,691.92/x
  3. Step 3: Cross multiply
    119,656.85x = 179,494.79 × 39,691.92
  4. Step 4: Simplify right side
    119,656.85x = 7,124,493,319.74
  5. Step 5: Solve for x
    x = 7,124,493,319.74/119,656.85
  6. Step 6: Final answer
    x = 59,541.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.